fs/xfs/xfs_rtalloc.c

205 	xfs_rtxlen_t		prod)
210 	return rounddown(ret, prod);
215  * bitmap block bbno.  If we don't get maxlen then use prod to trim
227 	xfs_rtxlen_t		prod,	/* extent product factor */
248 		maxlen = xfs_rtallocate_clamp_len(mp, i, maxlen, prod);
303 	 * If size should be a multiple of prod, make that so.
305 	if (prod > 1) {
308 		div_u64_rem(bestlen, prod, &p);
327  * bno.  If we don't get maxlen then use prod to trim the length, if given.
338 	xfs_rtxlen_t		prod,	/* extent product factor */
342 	xfs_rtxlen_t		i;	/* extent length trimmed due to prod */
346 	ASSERT(minlen % prod == 0);
347 	ASSERT(maxlen % prod == 0);
364 		 * Trim off tail of extent, if prod is specified.
366 		if (prod > 1 && (i = maxlen % prod)) {
386  * to start as possible.  If we don't get maxlen then use prod to trim
396 	xfs_rtxlen_t		prod,	/* extent product factor */
408 	ASSERT(minlen % prod == 0);
409 	ASSERT(maxlen % prod == 0);
419 	maxlen = xfs_rtallocate_clamp_len(mp, start, maxlen, prod);
427 			prod, rtx);
468 						&n, prod, rtx);
503 							maxavail, len, &n, prod,
549 	xfs_rtxlen_t		prod,	/* extent product factor */
574 				len, &n, prod, rtx);
591  * specified.  If we don't get maxlen then use prod to trim
600 	xfs_rtxlen_t		prod,	/* extent product factor */
606 	ASSERT(minlen % prod == 0);
607 	ASSERT(maxlen % prod == 0);
620 		error = xfs_rtalloc_sumlevel(args, l, minlen, maxlen, prod, len,
646 				prod, len, rtx);
1300 	xfs_rtxlen_t		*prod)
1306 	slack = newmaxlen % *prod;
1309 	slack = newminlen % *prod;
1311 		newminlen += *prod - slack;
1318 		*prod = 1;
1333 	xfs_rtxlen_t		prod = 0;  /* product factor for allocators */
1409 	 * Only bother calculating a real prod factor if offset & length are
1414 		prod = 1;
1416 		prod = xfs_extlen_to_rtxlen(mp, align);
1417 		if (prod > 1)
1418 			xfs_rtalloc_align_minmax(&raminlen, &ralen, &prod);
1423 				ralen, &ralen, prod, &rtx);
1426 				ralen, &ralen, prod, &rtx);